Trundling westbound along the Missouri River in Lombard Canyon between Lombard and Toston, Montana, is Montana Rail Link Locomotive Crane No. 100301 on May 15, 2013. Mated on the east end of the self-propelled crane is idler gon No. 100409, with MRL gon No. 40020 on the west end providing space for track material being picked up along the right-of-way. This particular locomotive crane was built by American.